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4-32 Service Tests
HP DesignJet 430, 450C and 455CA Printers
Clearing the EEROM
If you clear the calibration parameters, you will then need
to perform the Printer calibrations. (Details ' chapter 5.)
Clearing the EEROM also resets the factory spittoon value
to 0% used. Keep in mind that the value printed on the
service configuration plot may greatly underestimate the
amount of ink in the spittoon.
CAUTION
Clearing Just the Benchrun and Calibration Parameters
1 Switch the Printer OFF.
2 While holding down the Form Feed, Cancel and Media Type keys
down, switch the Printer ON.
3 Once the the LEDs begin to light up one by one, release the keys.
Clearing Just the UserĆDefined Setup Parameters
1 Switch the Printer OFF.
2 While holding down the Reprint, Cancel, Media Type and Media
Source keys down, switch the Printer ON.
3 Once the the LEDs begin to light up one by one, release the keys.